You might want to double check with them bigunit2.This is from...

You might want to double check with them bigunit2.

This is from the ATO Website (Link Below)

What is the acquisition date of shares acquired by the exercise of an option?

Is it the date of the option being granted/purchased or when the share is acquired?

The acquisition date is the date the share is acquired.

http://www.ato.gov.au/businesses/content.aspx?menuid=0&doc=/content/18427.htm&page=16&H16

You dont own the share until you exercise the option. An option is merely a right to buy a share at a predefined price.